45450780 has 24 divisors (see below), whose sum is σ = 127262352. Its totient is φ = 12120192.

The previous prime is 45450719. The next prime is 45450791. The reversal of 45450780 is 8705454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378697 + ... + 378816.

It is an arithmetic number, because the mean of its divisors is an integer number (5302598).

Almost surely, 2^45450780 is an apocalyptic number.

It is an amenable number.

45450780 is an abundant number, since it is smaller than the sum of its proper divisors (81811572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45450780 is a wasteful number, since it uses less digits than its factorization.

45450780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757525 (or 757523 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45450780 is about 6741.7193652658. The cubic root of 45450780 is about 356.8730727524.

The spelling of 45450780 in words is "forty-five million, four hundred fifty thousand, seven hundred eighty".